Finding the Fourth Proportional to 65,049.48, 89,777.97 and 39,560.00

Step by Step Solution

1. Step 1: Write the proportion equation
   65,049.48 : 89,777.97 = 39,560.00 : x
2. Step 2: Convert to fraction form
   65,049.48/89,777.97 = 39,560.00/x
3. Step 3: Cross multiply
   65,049.48x = 89,777.97 × 39,560.00
4. Step 4: Simplify right side
   65,049.48x = 3,551,616,044.31
5. Step 5: Solve for x
   x = 3,551,616,044.31/65,049.48
6. Step 6: Final answer
   x = 54,598.68